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14056013 = 23611131
BaseRepresentation
bin110101100111…
…101001001101
3222110010020002
4311213221031
512044243023
61221134045
7230321426
oct65475115
928403202
1014056013
117a30544
12485a325
132bb1a8a
141c1c64d
151379b28
hexd67a4d

14056013 has 4 divisors (see below), whose sum is σ = 14667168. Its totient is φ = 13444860.

The previous prime is 14056001. The next prime is 14056019. The reversal of 14056013 is 31065041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31065041 = 74437863.

It is a cyclic number.

It is not a de Polignac number, because 14056013 - 28 = 14055757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14056019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305543 + ... + 305588.

It is an arithmetic number, because the mean of its divisors is an integer number (3666792).

Almost surely, 214056013 is an apocalyptic number.

It is an amenable number.

14056013 is a deficient number, since it is larger than the sum of its proper divisors (611155).

14056013 is an equidigital number, since it uses as much as digits as its factorization.

14056013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611154.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 14056013 is about 3749.1349668957. The cubic root of 14056013 is about 241.3352256006.

Subtracting 14056013 from its reverse (31065041), we obtain a triangular number (17009028 = T5832).

The spelling of 14056013 in words is "fourteen million, fifty-six thousand, thirteen".

Divisors: 1 23 611131 14056013